Probing life's extremes in Yellowstone (w/ Podcast)
Tuesday, November 24, 2009 - 19:28
in Earth & Climate
(PhysOrg.com) -- Idaho National Laboratory biologist Frank Roberto squats on a bare, gravelly patch of ground in Yellowstone National Park's rolling backcountry. At his feet, scalding water churns in a mustard-yellow pool the size of a wheelbarrow.